|Water code||US : 1209386|
|location||Pennsylvania , New York (USA)|
|River system||Mississippi River|
|Drain over||Ohio → Mississippi → Gulf of Mexico|
|source||at Cobb Hill, Allegany Township, Pennsylvania
|Union||with the Monongahela River to the Ohio River
|Height difference||543 m|
|Bottom slope||1 ‰|
|Catchment area||29,992 km²|
||559 m³ / s
|Left tributaries||Kiskiminetas River , Clarion River|
|Right tributaries||French Creek|
|Reservoirs flowed through||Allegheny Reservoir|
|Small towns||Oil City|
|Navigable||110 km between Pittsburgh and East Brady|
Origin of name
The name Allegheny may come from the Lenape welhik hane or oolikhanna, which means "well flowing river of the mountains" or "wonderful stream".
Another indication of the origin of the word Allegheny was given in 1780 by David Zeisberger , a missionary of the Moravian Brethren : "All this land and region, stretching as far as the creeks and waters that flow into the Alleghene the Delawares called Alligewinenk, which means' a land into which they came from distant parts'. The river itself, however, is called Alligewi Sipo. The whites have made Alleghene out of this, the Six Nations calling the river the Ohio. ”So it would be the“ river in the country where people came from far away ”.
For the North American Native Americans of the Iroquois League , the Ohio and its largest headwaters, the Allegheny, were always just one river, which they called the Ohio along its entire length.
Geography and hydrography
The Allegheny rises on Cobb Hill near the village of Gold ( Allegany Township ), in Potter County in the US state of Pennsylvania . From there it flows northwest through New York State and back to Pennsylvania. At Point State Park in Pittsburgh , the Allegheny and the Monongahela River become the Ohio River, which then flows into the Mississippi River .
The Allegheny is 523 km long, 110 km of which are navigable between Pittsburgh and East Brady .
The water flow of the Allegheny River exceeds with 559 m³ / s that of the Monongahela River (358 m³ / s; see there ), which makes it the main source river of the Ohio. Since the Ohio is also the significantly larger river at the confluence with the Mississippi (mean water flow: 7,973 m³ / s compared to 5,865 m³ / s), hydrologically the Allegheny is even the upper reaches of the Mississippi river system.
- Allegheny River in the United States Geological Survey's Geographic Names Information System
- Atlas of the Allegheny and Monongahela Rivers
- Natrona gauge (PDF; 67 kB), 40 kilometers above the confluence with the Monongahela River
- US Board on Geographic Names . BGN work cards. 01-Jun-1897
- Beauchamp, William M. Aboriginal Place Names of New York . New York State Museum Bulletin 108, Archeology 12. Albany: NY State Education Department, 1907, 333pp. p32
- welhik. In: Lenape Talking Dictionary. Archived from the original on September 11, 2012 ; accessed on December 15, 2017 .
- David Zeisberger : David Zeisberger's History of the Northern American Indians in 18th Century Ohio, New York and Pennsylvania . Wennawoods Publishing, Lewisburg (Pennsylvania) 1999, ISBN 1-889037-17-6 , pp. 33 .
- George R. Stewart: Names on the Land . Houghton Mifflin Company, Boston (Massachusetts) 1967, ISBN 0-938530-02-X , pp. 8 .
- Frits van der Leeden, Fred L. Troise, David Keith Todd: The Water Encyclopedia , 2nd edition, p. 126, Chelsea, Mich. (Lewis Publishers), 1990, ISBN 0-87371-120-3
- (before the Ohio confluence, the Thebes gauge): Federal Institute for Hydrology (BfG), Global Runoff Data Center: Long-Term Mean Monthly Discharges and Annual Characteristics of GRDC Station , Koblenz 2009.